// Copyright (C) 2017 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package git

import (
	"context"
	"strings"
)

// CurrentBranch returns the current branch name at HEAD.
func (g Git) CurrentBranch(ctx context.Context) (string, error) {
	name, _, err := g.run(ctx, "symbolic-ref", "--short", "HEAD")
	return strings.TrimSpace(name), err
}
